mirror of
https://github.com/moparisthebest/pacman
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f45369800a
Ensure we have a local DB version that is up to par with what we expect before we go down any road that might modify it. This should prevent stupid mistakes with the 3.5.X upgrade and people not running pacman-db-upgrade after the transaction as they will need to. Signed-off-by: Dan McGee <dan@archlinux.org>
104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
/*
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* db.h
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*
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* Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
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* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
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* Copyright (c) 2006 by Miklos Vajna <vmiklos@frugalware.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _ALPM_DB_H
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#define _ALPM_DB_H
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#include "alpm.h"
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#include "pkghash.h"
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#include <time.h>
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/* libarchive */
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#include <archive.h>
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#include <archive_entry.h>
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/* Database entries */
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typedef enum _pmdbinfrq_t {
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INFRQ_BASE = 1,
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INFRQ_DESC = (1 << 1),
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INFRQ_FILES = (1 << 2),
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INFRQ_SCRIPTLET = (1 << 3),
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INFRQ_DSIZE = (1 << 4),
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/* ALL should be info stored in the package or database */
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INFRQ_ALL = 0x1F
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} pmdbinfrq_t;
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struct db_operations {
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int (*populate) (pmdb_t *);
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void (*unregister) (pmdb_t *);
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int (*version) (pmdb_t *);
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};
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/* Database */
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struct __pmdb_t {
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char *treename;
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/* do not access directly, use _alpm_db_path(db) for lazy access */
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char *_path;
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int pkgcache_loaded;
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int grpcache_loaded;
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/* also indicates whether we are RO or RW */
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int is_local;
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pmpkghash_t *pkgcache;
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alpm_list_t *grpcache;
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alpm_list_t *servers;
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struct db_operations *ops;
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};
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/* db.c, database general calls */
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pmdb_t *_alpm_db_new(const char *treename, int is_local);
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void _alpm_db_free(pmdb_t *db);
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const char *_alpm_db_path(pmdb_t *db);
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int _alpm_db_version(pmdb_t *db);
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int _alpm_db_cmp(const void *d1, const void *d2);
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alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles);
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pmdb_t *_alpm_db_register_local(void);
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pmdb_t *_alpm_db_register_sync(const char *treename);
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void _alpm_db_unregister(pmdb_t *db);
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/* be_*.c, backend specific calls */
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int _alpm_local_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq);
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int _alpm_local_db_prepare(pmdb_t *db, pmpkg_t *info);
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int _alpm_local_db_write(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq);
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int _alpm_local_db_remove(pmdb_t *db, pmpkg_t *info);
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/* cache bullshit */
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/* packages */
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int _alpm_db_load_pkgcache(pmdb_t *db);
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void _alpm_db_free_pkgcache(pmdb_t *db);
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int _alpm_db_add_pkgincache(pmdb_t *db, pmpkg_t *pkg);
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int _alpm_db_remove_pkgfromcache(pmdb_t *db, pmpkg_t *pkg);
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pmpkghash_t *_alpm_db_get_pkgcache_hash(pmdb_t *db);
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alpm_list_t *_alpm_db_get_pkgcache(pmdb_t *db);
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int _alpm_db_ensure_pkgcache(pmdb_t *db, pmdbinfrq_t infolevel);
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pmpkg_t *_alpm_db_get_pkgfromcache(pmdb_t *db, const char *target);
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/* groups */
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int _alpm_db_load_grpcache(pmdb_t *db);
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void _alpm_db_free_grpcache(pmdb_t *db);
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alpm_list_t *_alpm_db_get_grpcache(pmdb_t *db);
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pmgrp_t *_alpm_db_get_grpfromcache(pmdb_t *db, const char *target);
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#endif /* _ALPM_DB_H */
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/* vim: set ts=2 sw=2 noet: */
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